First, contact WebFaction support and tell them you need your email archive. They'll know what to do.
Next, create an API token: https://docs.opalstack.com/user-guide/api/
Next, create a shell user on your Opalstack account and then log in to your server via SSH:
- https://docs.opalstack.com/user-guide/shell-users/
- https://docs.opalstack.com/user-guide/server-access/
In your SSH session, run the following commands to get your email migration config: